Finding the Third Proportional to 199,644 and 432,862.50

Step by Step Solution

1. Step 1: Write the proportion equation
   199,644 : 432,862.50 = 432,862.50 : x
2. Step 2: Convert to fraction form
   199,644/432,862.50 = 432,862.50/x
3. Step 3: Cross multiply
   199,644x = 432,862.50 × 432,862.50
4. Step 4: Simplify right side
   199,644x = 187,369,943,906.25
5. Step 5: Solve for x
   x = 187,369,943,906.25/199,644
6. Step 6: Final answer
   x = 938,520.29